Telephone system



1, 1939. T. F. CROCKER 2,167,710

TELEPHONE SYSTEM Filed May 14, 1937 21 Sheets-Sheet l FIGS l V) HHII H IIE T0 LOCAL AUTO OFFICES:

WWW! Illfllllil g a d z a I g; b. E E 9 INVENTOR. 5

l 4 .c CKE BY R0 ATTORNEY.

Aug. .1, 1939. T. F. CROCKER TELEPHONE SYSTEM Filed May 14, 1937 21 Sheets-Sheet 2 22E51 I 2m 05 8 8m 3 25m its E mwNE 5m In omkuwqm mg m :25 m2 m m wrm uszE FROM LOCAL AUTOMATIC EXCHANGE BY i N WE

1 DISTANT OFFICE INVENTOR. T. F. CR QCK ER ATTORNEY.

FROM LOCAL MANUAL Aug. 1, 1939. CROCKER 2,167,710

TELEPHONE SYSTEM Filed May 14, 1937 21 Sheets-Sheet 5 FIG 4 FINDER SWITCH MAN. RECDG TRI cI T (MR) 'f Z; fi'%* J I T2 II m E. x 1

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Aug. 1, 1939.

T. F. CROCKER 2,167,710

TELEPHONE SYSTEM Filed May 14, 1937 21 Sheets-Sheet 5 FIG. 7 TOLL FIRST SELECTOR TFS-1 '60 LEM.

INVENTOR. T. F. CROCKER ATTORNEY.

Aug. 1, 1939.. T. F. CROCKER 2,167,710

TELEPHONE SYSTEM Filed May 14, 1937 21 Sheets-Sheet 6 ATTORNEY.

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Aug. 1, 1939. T. F. CROCKER TELEPHONE SYSTEM Filed May 14, 1937 21 Sheets-Sheet 5 53.; fimmzc Tmi mohmdm 243 33 R m L] N E V m m T :58 Fox 95 55% 50% I I 1 Lm 0mm. mam 2 m mm 853% 5 mwfill 8 3; Rm 2 m m; 8 a Q i m; Em :& '1 5 5m 3M 3m 0 Km Mai w 2% I T. F.CROCKER 2% Z M ATTORNEY.

INVENTOR. T F. CROCKER I ATTORNEY;

J Y W. E

21 Sheets-Sheet 8 '11". 1F. CWOCKEW TELEPHONE SYSTEM Filed May 14, 1937 mm: OW m u 993x245 wuFIo 13E mohumjww 32.

Aug, 1,, 193.

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TELEPHONE SYSTEM zortmom 21 Sheets-She t 9 INVENTOR T. F. CROCKER ATTORNEY. I

T. F. CROCKEH TELEPHONE SYSTEM Filed May 14, 1937 21 Sheets-Sheet 10 ad; 03: m5: 3 2L N6: mg; 2% 5E 31 2 2m EE 3E E: i: 3: E5 55 25 $1 8E $1 $23 a w; 2 m5 wz E5 225% @531 N ME 3.: 35 3E :65: wza E p 3: $2 E is W as as W S: will T0 F!GS.2,3 AND 4 INVENTOR. T. IF. CROCKER ATTORNEY.

Aug. 1, 1939. T, CROCKER 2,167,710

TELEPHONE SYSTEM Filed May 14, 1937 21 Sheets-$heet 11 POSITION [P ANS TIP CALL ANS * T. F. CROCKER ATTORNEY.

Aug. 1, 1939. T. F. CROCKER TELEPHONE SYSTEM Filed May 14, 1937 21 Sheets-Sheet 15 Ema INYENTOR T. F. CROCKE Aug. 1, i939. T. F. CROCKER TELEPHONE SYSTEM Filed May 14, 1957 21 Sheets-Sheet l8 l l I L Q J momT Aug 1,, W39 T. F. CROCIKER TELEPHONE SYSTEM 21 Sheets-Sheet 1'? Filed May 14, 1937 F200 CECE ml I as CE W 55 5&8 22

INVENTOR. T. F. CROCMEW ATTORNEY z m'mm T. IF". CWOCKEW TELEPHONE SYSTEM ATTORNEY.

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